Home / 161,956.23-223,500.42-89,361.63

Finding the Fourth Proportional to 161,956.23, 223,500.42 and 89,361.63

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Solution

The fourth proportional to 161,956.23, 223,500.42 and 89,361.63 is: 123,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,956.23 : 223,500.42 = 89,361.63 : x
  2. Step 2: Convert to fraction form
    161,956.23/223,500.42 = 89,361.63/x
  3. Step 3: Cross multiply
    161,956.23x = 223,500.42 × 89,361.63
  4. Step 4: Simplify right side
    161,956.23x = 19,972,361,836.88
  5. Step 5: Solve for x
    x = 19,972,361,836.88/161,956.23
  6. Step 6: Final answer
    x = 123,319.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.